package com.redis.config;

import io.lettuce.core.cluster.ClusterClientOptions;
import io.lettuce.core.cluster.ClusterTopologyRefreshOptions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.data.redis.RedisProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisClusterConfiguration;
import org.springframework.data.redis.connection.lettuce.LettuceClientConfiguration;
import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import java.time.Duration;

@Configuration
public class RedisConfig {

    @Autowired
    private RedisProperties redisProperties;

//    @Bean
//    public LettuceConnectionFactory redisConnectionFactory() {
//        RedisClusterConfiguration redisClusterConfiguration = new RedisClusterConfiguration(redisProperties.getCluster().getNodes());
//
//        redisClusterConfiguration.setMaxRedirects(redisProperties.getCluster().getMaxRedirects());
//        //  集群密码
//        //redisClusterConfiguration.setPassword(redisProperties.getPassword());
//        //支持自适应集群拓扑刷新和静态刷新源
//        ClusterTopologyRefreshOptions clusterTopologyRefreshOptions =  ClusterTopologyRefreshOptions.builder()
//                .enablePeriodicRefresh()
//                .enableAllAdaptiveRefreshTriggers()
//                .refreshPeriod(Duration.ofSeconds(redisProperties.getTimeout().getSeconds()))
//                .build();
//        ClusterClientOptions clusterClientOptions = ClusterClientOptions.builder()
//                .topologyRefreshOptions(clusterTopologyRefreshOptions).build();
//        //从优先，读写分离，读从可能存在不一致，最终一致性CP
//        LettuceClientConfiguration lettuceClientConfiguration = LettuceClientConfiguration.builder()
//                .clientOptions(clusterClientOptions).build();
//        return new LettuceConnectionFactory(redisClusterConfiguration, lettuceClientConfiguration);
//    }


    @Bean
    public RedisTemplate<Object, Object> redisTemplate(LettuceConnectionFactory redisConnectionFactory) {
        RedisTemplate<Object, Object> redisTemplate = new RedisTemplate<>();
        redisTemplate.setConnectionFactory(redisConnectionFactory);
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setValueSerializer(new StringRedisSerializer()); // GenericJackson2JsonRedisSerializer
        redisTemplate.afterPropertiesSet();
        return redisTemplate;
    }
}